#include <Adafruit_Fingerprint.h>
#include <SoftwareSerial.h>

#define DC_MOTOR_PIN 9 // Pin connected to the DC motor

SoftwareSerial mySerial(2, 3); // RX, TX for fingerprint sensor module
Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

void setup() {
  Serial.begin(9600);
  while (!Serial) {
    delay(1);
  }

  if (!finger.begin(57600)) {
    Serial.println("Couldn't find fingerprint sensor :(");
    while (1);
  }

  Serial.println("Fingerprint sensor found!");
  Serial.println("Waiting for a valid fingerprint...");
}

void loop() {
  if (finger.getImage()) {
    int fingerID = finger.fingerID();
    if (fingerID == 1) { // Change this value to match your stored fingerprint ID
      Serial.println("Fingerprint recognized. Turning on the motor...");
      digitalWrite(DC_MOTOR_PIN, HIGH); // Turn on the DC motor
      delay(2000); // Run the motor for 2 seconds (adjust as needed)
      digitalWrite(DC_MOTOR_PIN, LOW); // Turn off the DC motor
      Serial.println("Motor turned off.");
    } else {
      Serial.println("Unauthorized fingerprint. Access denied.");
    }
    delay(5000); // Wait for 5 seconds before the next fingerprint scan
  } else {
    Serial.println("Failed to capture fingerprint. Please try again.");
    delay(1000);
  }
}